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June 6, 2024 Service bulletin

After jump-starting, the vehicle may experience a no-start condition and multiple DTCs including U010087

Toyota technical service bulletin T-TT-0694-22 Rev2 for 2020-2024 Toyota Camry Hybrid, 2020-2023 Toyota Highlander Hybrid and 2021-2024 Toyota Sienna Hybrid and others.

Bulletin number
T-TT-0694-22 Rev2 (T-TT-0694-22 Rev2)
Component
Engine
Summary
After jump-starting, the vehicle may experience a no-start condition and multiple DTCs including U010087. Upon investigation, it is found that the engine ECU has been damaged and needs to be replaced. In several cases, it was found that the cause of the ECU damage was improper jump starting. Further investigation found that ECU damage may occur if the negative (ground) cable clamps are attached on or around the engine ECU or ECU mounting bracket.

Owners of these vehicles have filed 52 complaints in the engine category.

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